论文部分内容阅读
去冬今春以来持续干旱,小麦长势较弱,当前小麦各类病虫发生普遍较轻,发生程度接近去年同期。小麦条锈病:陕南发生面积0.5万亩。汉中市宁强县在阳平关镇擂鼓台村4组发现3个发病中心,分别有病叶5张、8张、7张。其余县区冬前发现的病叶已枯死,春季未见新病叶。小麦白粉病:零星发生,发生面积20万亩。眉县常发区病田
Since the beginning of winter and spring, the drought has continued and the wheat is in a weak state. Currently, all kinds of pests and diseases of wheat are generally mild and occur to the level of the same period of last year. Wheat stripe rust: An area of 0.5 hectares occurred in southern Shaanxi. Ningqiang County of Hanzhong City found 3 centers of disease in 4 groups of Leiguotai Village, Yangpingguan Town, with 5 diseased leaves, 8 leaves and 7 leaves respectively. The remaining diseased leaves found in the other counties were dead before spring, and no new diseased leaves were found in spring. Wheat powdery mildew: sporadic occurrence of an area of 200000 acres. Mei County, often sick area disease